181.42.143.162📋 Copy

IP INTELLIGENCE BRIEFING

Target: 181.42.143.162/32

Classification: Low Risk Residential Endpoint

Report Date: 2026-07-25

Analyst: IPDebrief Intelligence Platform

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**Executive Summary**

IP 181.42.143.162 is classified as a low-risk residential endpoint with no active threat indicators. The address belongs to Entel PCS Telecomunicaciones S.A. (ASN 27651), a Chilean telecommunications provider operating within the /16 block 181.42.0.0/16. No malicious activity has been observed across 17 signal observations collected over the reporting period.

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**Infrastructure Profile**

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**DNS & Hostname Analysis**

The IP resolves via PTR record to `client-181-42-143-162.imovil.entelpcs.cl`, indicating assignment to Entel's mobile infrastructure domain. Forward DNS resolution confirms hostname association with the imovil.entelpcs.cl domain. No email authentication records (SPF, DMARC) are present for the associated domain.

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**Threat Intelligence Assessment**

• Blacklist Status: Not listed on any threat feeds
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Abuse Confidence Score: Not applicable (clean profile)
• Threat Feeds: None active
• Known Campaigns: None correlated

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**Network Neighborhood Analysis**

The /24 subnet (181.42.143.162/24) demonstrates clean characteristics:

• Abuse Density: 0
• Classification: Clean
• Total Siblings: 2
• Active Threat Siblings: 0
• Risk Distribution: 0 high/medium, 1 low

Notable Neighbor: 181.42.143.144 (Risk Score: 25, Authority Score: 50)

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**Temporal Analysis**

Based on 17 observations, the IP exhibits stable characteristics with:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 0
• Persistent Malicious Activity: False

Most recent observations (2026-07-25) confirm consistent geolocation attribution to Chile with multi-signal inference confidence at 0.52.

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**Control Plane & Routing**

• Origin ASN: 27651
• BGP Prefix: 181.42.136.0/21
• RPKI State: Not validated
• IRR Consistency: Not validated
• DNSSEC Valid: True
• Route Stability: False (route changes detected in 30-day window)

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**Services Exposure**

No active services detected:

• Open Ports: None
• TLS Certificates: None
• HTTP Title/Server Banner: None

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**Recommended Actions**

No immediate action required. Given the low-risk classification and absence of threat indicators, standard monitoring is recommended. The IP represents normal residential infrastructure activity from a legitimate telecommunications provider.

Firewall Rules: None recommended.

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**SOC Analyst Notes**

This IP is part of a residential ISP infrastructure assignment. The associated domain (entelpcs.cl) indicates legitimate end-user device registration. The neighbor IP (181.42.143.144) shows elevated risk scoring (25) but remains below threshold for immediate blocking. Monitor for any changes in the neighborhood's abuse density profile.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.